Actor Natalie Portman recently announced that she had relinquished veganism during her pregnancy to satisfy cravings for non-vegan foods. Is adhering to veganism in the face of strong pregnancy cravings impossible? Alison Waters, who has had three vegan pregnancies, argues that it isn’t – and that pregnancy is, in fact, an optimal time for vegans to stick with it.

In part two of his series on vitamin supplements Dr Pieter Dahler talks about the ‘keyhole’ concept.

In the past, women have often been told they should eat for two during pregnancy. This old adage is not true anymore, especially if women are overweight or obese when starting their pregnancy, writes Caroline Homer.

Every time a celebrity is caught up in a sex scandal, it seems that sex addiction is to blame. While some are sceptical about whether such a condition exists, Maria Schindlecker offers evidence to suggest it does.

The planet is full of humans who think, talk and behave differently to each other. These differences can be embraced and enjoyed, yet they can also result in misunderstandings, disconnection and all-too-often, violence. Nonviolent Communication (NVC), also known as compassionate communication, is a language that teaches us how to have conversations with those to whom we are struggling to relate, writes Sarah Barry.

HIV-vaccine research only moves forward because of volunteers. One such subject is Joseph Caputo, who may now test false-positive for HIV—and whose dates think he’s diseased.

They may the gold standard for examining the bowel, but colonoscopies may be unduly dangerous, writes Dr John McDougall.

Large numbers of women are dying from back-street abortions in Ghana, even though abortion is legal there, writes Judy Mandelbaum.